mapnik/utils/pgsql2sqlite/main.cpp
2009-02-20 15:58:33 +00:00

139 lines
4.6 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2009 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
//$Id$
#include "pgsql2sqlite.hpp"
#include "sqlite.hpp"
#include <mapnik/datasource.hpp>
#include <mapnik/wkb.hpp>
#include "connection_manager.hpp"
//#include "cursorresultset.hpp"
// boost
#include <boost/cstdint.hpp>
#include <boost/optional.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/format.hpp>
//#include <boost/algorithm/string/replace.hpp>
#include <boost/program_options.hpp>
//stl
#include <iostream>
#include <fstream>
int main ( int argc, char** argv)
{
namespace sqlite = mapnik::sqlite;
sqlite::database db("/tmp/testing.sqlite");
db.execute("create table test(id integer, name text)");
sqlite::prepared_statement stmt(db,"insert into test values(?,?)");
for (unsigned i=0;i<1000;++i)
{
sqlite::record_type rec;
rec.push_back(sqlite::value_type(int(i)));
rec.push_back(sqlite::value_type("testing ...."));
stmt.insert_record(rec);
}
namespace po = boost::program_options;
po::options_description desc("Postgresql/PostGIS to SQLite3 converter\n Options");
desc.add_options()
("help,?","Display this help screen.")
("host,h",po::value<std::string>(),"Allows you to specify connection to a database on a machine other than the default.")
("port,p",po::value<std::string>(),"Allows you to specify a database port other than the default.")
("user,u",po::value<std::string>(),"Connect to the database as the specified user.")
("dbname,d",po::value<std::string>(),"postgresql database name")
("password,P",po::value<std::string>(),"Connect to the database with the specified password.")
("table,t",po::value<std::string>(),"Name of the table to export")
("simplify,s",po::value<unsigned>(),"Use this option to reduce the complexity\nand weight of a geometry using the Douglas-Peucker algorithm.")
("file,f",po::value<std::string>(),"Use this option to specify the name of the file to create.")
;
po::positional_options_description p;
p.add("table",1);
po::variables_map vm;
try
{
po::store(po::command_line_parser(argc,argv).options(desc).positional(p).run(),vm);
po::notify(vm);
if (vm.count("help") || !vm.count("file") || !vm.count("table"))
{
std::cout << desc << "\n";
return EXIT_SUCCESS;
}
}
catch (...)
{
std::cout << desc << "\n";
return EXIT_FAILURE;
}
boost::optional<std::string> host;
boost::optional<std::string> port ;
boost::optional<std::string> dbname;
boost::optional<std::string> user;
boost::optional<std::string> password;
if (vm.count("host")) host = vm["host"].as<std::string>();
if (vm.count("port")) port = vm["port"].as<std::string>();
if (vm.count("dbname")) dbname = vm["dbname"].as<std::string>();
if (vm.count("user")) user = vm["user"].as<std::string>();
if (vm.count("password")) password = vm["password"].as<std::string>();
unsigned tolerance = 0;
if (vm.count("simplify")) tolerance = vm["simplify"].as<unsigned>();
ConnectionCreator<Connection> creator(host,port,dbname,user,password);
try
{
boost::shared_ptr<Connection> conn(creator());
std::string table_name = vm["table"].as<std::string>();
std::string output_file = vm["file"].as<std::string>();
std::ofstream file(output_file.c_str());
if (file)
{
mapnik::pgsql2sqlite(conn,table_name,file,tolerance);
}
file.close();
}
catch (mapnik::datasource_exception & ex)
{
std::cerr << ex.what() << "\n";
}
return EXIT_SUCCESS;
}